Buoys and markers

​Buoys and markers are water traffic signs that provide offering direction and information. They also help identify danger areas and restricted zones.

Here are the basics to help you get familiar with buoys and markers:

Learn to identify the different types of buoys and markers and what they mean – see the illustration below.

Mile/channel markers are installed on the main channel of the Colorado River on lakes Buchanan and Travis. The river channel is not marked on other Highland Lakes.

Mile/channel markers are placed about one mile apart and are sequentially numbered starting at the dam. Facing upstream, green markers are on the left and have odd numbers, while red markers are on the right and have even numbers.

It’s a violation of state law to moor or attach a vessel to any buoy or marker. It’s also illegal to move, remove, displace, tamper with, damage or destroy any buoy or marker.

Hazard buoys on LCRA lakes are installed and maintained by LCRA. Regulatory buoys on the Highland Lakes must have a permit from LCRA. For information, contact LCRA.

BUOY GUIDE

​Know your buoys​

​The following are buoys and markers that all boaters on the Highland Lakes should be aware of: ​ ​ ​ ​

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​Channel/Mile Markers

​Controlled areaThis is a controlled area. No fishing, no anchoring. There may be water-skiers. Slow down so as to not create a wake.

Green "can"-shaped buoyFacing upstream, these green buoys are on the left. They have odd numbers, and may have a green light on top.​

Red "nun's cap"-shaped buoyFacing upstream, these buoys, shaped like a nun's cap, are on the right. They have even numbers and may have a red light on top.​

Occasionally, a mile/channel marker or buoy may become detached from its anchor or may become damaged or inoperable. To report problems with mile/channel markers or buoys, call LCRA at 1-800-776-5272, Ext. 4783.